/*
 * TeleStax, Open Source Cloud Communications  
 * Copyright 2012, Telestax Inc and individual contributors
 * by the @authors tag. See the copyright.txt in the distribution for a
 * full listing of individual contributors.
 *
 * This is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License as
 * published by the Free Software Foundation; either version 2.1 of
 * the License, or (at your option) any later version.
 *
 * This software is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this software; if not, write to the Free
 * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
 * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
 */

package org.mobicents.protocols.ss7.cap.EsiBcsm;

import java.io.IOException;

import javolution.xml.XMLFormat;
import javolution.xml.stream.XMLStreamException;

import org.mobicents.protocols.asn.AsnException;
import org.mobicents.protocols.asn.AsnInputStream;
import org.mobicents.protocols.asn.AsnOutputStream;
import org.mobicents.protocols.asn.Tag;
import org.mobicents.protocols.ss7.cap.api.CAPException;
import org.mobicents.protocols.ss7.cap.api.CAPParsingComponentException;
import org.mobicents.protocols.ss7.cap.api.EsiBcsm.OCalledPartyBusySpecificInfo;
import org.mobicents.protocols.ss7.cap.api.isup.CauseCap;
import org.mobicents.protocols.ss7.cap.isup.CauseCapImpl;
import org.mobicents.protocols.ss7.cap.primitives.SequenceBase;
import org.mobicents.protocols.ss7.map.api.MAPParsingComponentException;

/**
 * 
 * @author sergey vetyutnev
 * @author Amit Bhayani
 * 
 */
public class OCalledPartyBusySpecificInfoImpl extends SequenceBase implements OCalledPartyBusySpecificInfo {

	private static final String BUSY_CAUSE = "busyCause";

	public static final int _ID_busyCause = 0;

	private CauseCap busyCause;

	public OCalledPartyBusySpecificInfoImpl() {
		super("OCalledPartyBusySpecificInfo");
	}

	public OCalledPartyBusySpecificInfoImpl(CauseCap busyCause) {
		super("OCalledPartyBusySpecificInfo");
		this.busyCause = busyCause;
	}

	@Override
	public CauseCap getBusyCause() {
		return busyCause;
	}

	protected void _decode(AsnInputStream ansIS, int length) throws CAPParsingComponentException,
			MAPParsingComponentException, IOException, AsnException {

		this.busyCause = null;

		AsnInputStream ais = ansIS.readSequenceStreamData(length);
		while (true) {
			if (ais.available() == 0)
				break;

			int tag = ais.readTag();

			if (ais.getTagClass() == Tag.CLASS_CONTEXT_SPECIFIC) {
				switch (tag) {
				case _ID_busyCause:
					this.busyCause = new CauseCapImpl();
					((CauseCapImpl) this.busyCause).decodeAll(ais);
					break;

				default:
					ais.advanceElement();
					break;
				}
			} else {
				ais.advanceElement();
			}
		}
	}

	@Override
	public void encodeData(AsnOutputStream asnOs) throws CAPException {
		if (this.busyCause != null) {
			((CauseCapImpl) this.busyCause).encodeAll(asnOs, Tag.CLASS_CONTEXT_SPECIFIC, _ID_busyCause);
		}
	}

	@Override
	public String toString() {

		StringBuilder sb = new StringBuilder();
		sb.append(_PrimitiveName);
		sb.append(" [");
		if (this.busyCause != null) {
			sb.append("busyCause= [");
			sb.append(busyCause);
			sb.append("]");
		}
		sb.append("]");

		return sb.toString();
	}

	/**
	 * XML Serialization/Deserialization
	 */
	protected static final XMLFormat<OCalledPartyBusySpecificInfoImpl> ROUTE_SELECT_FAILURE_SPECIFIC_INFO_XML = new XMLFormat<OCalledPartyBusySpecificInfoImpl>(
			OCalledPartyBusySpecificInfoImpl.class) {

		@Override
		public void read(javolution.xml.XMLFormat.InputElement xml,
				OCalledPartyBusySpecificInfoImpl oCalledPartyBusySpecificInfo) throws XMLStreamException {
			oCalledPartyBusySpecificInfo.busyCause = xml.get(BUSY_CAUSE, CauseCapImpl.class);
		}

		@Override
		public void write(OCalledPartyBusySpecificInfoImpl oCalledPartyBusySpecificInfo,
				javolution.xml.XMLFormat.OutputElement xml) throws XMLStreamException {

			if (oCalledPartyBusySpecificInfo.busyCause != null) {
				xml.add(((CauseCapImpl) oCalledPartyBusySpecificInfo.busyCause), BUSY_CAUSE, CauseCapImpl.class);
			}
		}
	};
}
